Senior Front-end Engineer (m/f/d)

About your new role 

• You will design, implement, and optimize frontend features using React and Next.js with TypeScript. 

• You’ll own the end-to-end delivery of frontend components — from architecture and implementation to testing, deployment, and monitoring. 

• You’ll collaborate with backend and infrastructure teams to integrate services built on AWS using Infrastructure as Code (AWS CDK). 

• You’ll ensure quality and reliability through robust automated testing (component and end-to-end). 

• You’ll proactively identify and resolve bottlenecks, implement performance best practices, and drive a culture of continuous improvement. 

• Bonus: You’ll help embed accessibility (a11y) and performance best practices into our products, ensuring inclusive and high-performing user experiences. 

Skills & Requirements 

• Proven experience in frontend development with solid knowledge of HTML, CSS, JavaScript, and specialization in React and Next.js. 

• Strong working knowledge of AWS services and deployment workflows, ideally with AWS CDK. 

• Solid experience in setting up and maintaining automated testing frameworks (unit, integration, e2e). 

• You’re comfortable working in a cross-functional, international team and communicate clearly in English.  

• You’re self-driven, curious, and have a growth mindset — you enjoy diving into new technologies and challenges. 

• Bonus: Familiarity with web accessibility and performance optimization (Core Web Vitals). 

At idealo you can expect

• You need vacation? We offer you 30 days of vacation. Not enough? You can "buy" an additional 15 days every year by converting your salary and it's seen as a positive thing.

• You want to further your education? We take your personal development goals seriously and, in addition to our idealo Learning Hub, eLearning offerings (e.g., Udemy), coaching & mediation, we also offer you the opportunity to benefit individually from additional learning and development budget.

• And what about the office? Our office in the heart of Berlin offers excellent free lunch, as well as free coffee, lemonades and after-work beer, in addition to the "standard foosball". It also has a fabulous rooftop terrace with view of the whole of berlin where you can network with colleagues from our group of companies.

• In need of additional support in any areas of your life? We offer free counseling and support in all areas of life (professional, private, family, health, etc.) in cooperation with the pme-Familienservice.

• You want full flexibility on your way to work and beyond? No problem with a job bike or Deutschlandticket - and it's environmentally friendly, too!

• Want to keep yourself fit? We offer many different fitness and sports options, such as an Urban Sports or Gympass membership, to suit your personal needs.

• And what else is there? Of course, success must be celebrated! In addition to team events, you can also expect big company events and other moments of organized connection with others in the company and your team throughout the year!

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